/* 清楚默认样式 */
body, div, span, header, footer, nav, section, aside, article, ul, dl, dt, dd, li, a, p, h1, h2,h3, h4, h5, h6, i, b, textarea, button, input, select, figure, figcaption {
    padding: 0;
    margin: 0;
    list-style: none;
    font-style: normal;
    text-decoration: none;
    border: none;
    color: #333;
    font-weight: normal;
    font-family: "Microsoft Yahei";
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
    -webkit-font-smoothing: antialiased;
    &:hover {
        outline: none;
    }
}

/* 定义滚动条高宽及背景 高度分别对应横竖滚动条的尺寸 */
::-webkit-scrollbar
{
    width: 0px;
    height: 0px;
    background-color: #f5f5f5;
}

/* 定义滚动条轨道 内阴影+圆角 */
::-webkit-scrollbar-track
{
    -webkit-box-shadow: inset 0 0 1px rgba(0,0,0,0);  
    border-radius: 10px;  
    background-color: #F5F5F5;  
}

/*定义滑块 内阴影+圆角*/  
::-webkit-scrollbar-thumb  
{  
    border-radius: 10px;  
    -webkit-box-shadow: inset 0 0 6px rgba(0,0,0,.3);  
    background-color: #555;  
}  

input[type="button"], input[type="submit"], input[type="search"], input[type="reset"] {
    -webkit-appearance: none;
}

textarea { -webkit-appearance: none;}   

html,body {
    height: 100%;
    width: 100%;
    background-color: #f5f5f5;
}

/* 清楚浮动影响 */
.clear:after {
    content: '';
    display: block;
    clear: both;
}
.clear {
    zoom: 1
}

/* 背景图设置 */
.back_img {
    background-repeat: no-repeat;
    background-size: 100% 100%;
}

/* margin居中 */
.margin {
    margin: 0 auto;
}

/* 左浮动 */
.left {
    float: left;
}

/* 右浮动 */
.right {
    float: right;
}

/* 隐藏 */
.hide {
    display: none;
}

/* 显示 */
.show {
    display: block;
}

/* 文本溢出显示... */
.ellipsis {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.paddingTop {
    padding-top: 1.95rem;
}

@keyframes backOpacity {
    0%   { opacity: 1 }
    25%  { opacity: .5 }
    50%  { opacity: 1 }
    75%  { opacity: .5 }
    100% { opacity: 1 }
}

.animation_opacity {
    animation: backOpacity 2s ease-in-out infinite;
}